spam text how do I block text messages if it hasn't got a phone number

[ka244mog]

How to block text if it has not got a phone number 

[CarlH]

Hi @ka244mog. Is someone sending you a text message without them having a SIM card or do you not have a SIM card? 

[nowdeleted]

just delete it.

[Manlikejay78]

@ka244mog - Delete the message and it will ask if u also want to block the number. Job done. 👍🏻

[Marax]

it just delete it without asking for block .